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/* $OpenBSD: reloc.h,v 1.3 2003/06/02 23:27:54 millert Exp $ */
/* $NetBSD: reloc.h,v 1.2 1994/11/20 20:53:30 deraadt Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)reloc.h 8.1 (Berkeley) 6/11/93
*/
/*
* SPARC relocations. The linker has, unfortunately, a large number
* of link types. We do not do dynamic linking (yet?) but we define
* the dynamic link types.
*/
enum reloc_type {
/* architecturally-required types */
RELOC_8, /* 8-bit absolute */
RELOC_16, /* 16-bit absolute */
RELOC_32, /* 32-bit absolute */
RELOC_DISP8, /* 8-bit pc-relative */
RELOC_DISP16, /* 16-bit pc-relative */
RELOC_DISP32, /* 32-bit pc-relative */
RELOC_WDISP30, /* 30-bit pc-relative signed word */
RELOC_WDISP22, /* 22-bit pc-relative signed word */
RELOC_HI22, /* 22-bit `%hi' (ie, sethi %hi(X),%l0) */
RELOC_22, /* 22-bit non-%hi (i.e., sethi X,%l0) */
RELOC_13, /* 13-bit absolute */
RELOC_LO10, /* 10-bit `%lo' */
/* gnu ld understands some of these, but I do not */
RELOC_SFA_BASE, /* ? */
RELOC_SFA_OFF13, /* ? */
RELOC_BASE10, /* ? */
RELOC_BASE13, /* ? */
RELOC_BASE22, /* ? */
/* gnu ld does not use these but Sun linker does */
/* we define them anyway (note that they are included
in the freely-available gas sources!) */
RELOC_PC10, /* ? */
RELOC_PC22, /* ? */
RELOC_JMP_TBL, /* ? */
RELOC_SEGOFF16, /* ? */
RELOC_GLOB_DAT, /* ? */
RELOC_JMP_SLOT, /* ? */
RELOC_RELATIVE, /* ? */
};
/*
* SPARC relocation info.
*
* Symbol-relative relocation is done by:
* 1. locating the appropriate symbol
* 2. if defined, adding (value + r_addend), subtracting pc if pc-rel,
* and then shifting down 2 or 10 or 13 if necessary.
* The resulting value is then to be stuffed into the appropriate bits
* in the object (the low 22, or the high 30, or ..., etc).
*/
struct reloc_info_sparc {
u_long r_address; /* relocation addr (offset in segment) */
u_int r_index:24, /* segment (r_extern==0) or symbol index */
r_extern:1, /* if set, r_index is symbol index */
:2; /* unused */
enum reloc_type r_type:5; /* relocation type, from above */
long r_addend; /* value to add to symbol value */
};
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